Respiratory System
Test Your Knowledge of the Respiratory System
Are you ready to enhance your understanding of the respiratory system? Take this quiz to test your knowledge about how our bodies breathe and process essential gases.
Topics covered include:
- The process of inhalation and exhalation
- Fun
ction of alveoli in gas exchange - The role of oxygen and carbon dioxide in our bodies
1. Where does the energy needed by the body come from?
A. Digested food
B. Undigested food
C. combustion
D. inhalation
2. Where do body cells get a supply of oxygen?
A. Muscle cells
B. Blood cells
C. combustion
D. plasma
3. What do you call the process of breathing in?
A. respiration
B. exhalation
C. combustion
D. inhalation
4. What do you call the process of breathing out?
A. respiration
B. exhalation
C. combustion
D. inhalation
5. What is the name of the "body's fuel" ?
A. protein
B. oxygen
C. glucose
D. Carbon dioxide
6. What is respiration?
A. breathing
B. The release of energy from the food we eat
C. inhalation
D. Oxygen transfer
7. Which statement about respiration is true?
A. It is an uncontrolled reaction which slowly releases energy from food to the cells.
B. It is a controlled reaction which quickly releases energy from food to the cells.
C. It is a controlled reaction which slowly releases energy from food to the cells.
D. a. It is an uncontrolled reaction which quickly releases energy from food to the cells.
8. What substance do we breathe in?
A. water (H2O)
B. Carbon dioxide (CO2)
C. oxygen (O2)
D. Carbon monoxide (CO)
9. What substance do we breathe out?
A. water (H2O)
B. Carbon dioxide (CO2)
C. oxygen (O2)
D. Carbon monoxide (CO)
10. What are the tiny air sacs on the surface of the lungs?
A. alveoli
B. capillaries
C. bronchioles
D. Cartilage rings
11. What happens during gas exchange at the alveoli?
A. Oxygen is transferred from the alveoli into the blood cells. Blood cells release carbon dioxide into the alveoli.
B. Oxygen and carbon dioxide are transferred into the blood.
C. Oxygen and carbon dioxide are transferred out of the blood.
D. Carbon dioxide is transferred from the alveoli into the blood cells. Blood cells release oxygen into the alveoli.
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